TABLE 1.

MICs of carbapenems and ceftazidime against DH5α containing one or two carbapenemase gene-carrying plasmids

Strain	MIC (μg/ml) of:
	Ceftazidime	Imipenem	Meropenem
E. coli DH5α	0.5	0.06	0.12
E. coli DH5α:pNDM1_EC14653	>512	16	32
E. coli DH5α:pKPC2_EC14653	64	16	16
E. coli DH5α:pNDM1_EC14653:pKPC2_EC14653	>512	32	64
E. cloacae WCHECl-14653	>512	128	128